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  We are all aware that the grit numbers we use when selecting our  sanding supplies relate to the size of the abrasive particles. Generally, this harks back to the number of part … read more

  Removing old coatings prior to refinishing is a different process than preparing a new surface for finish. Leftover adhesives, paints and topcoats are rarely fully hard and will soften … read more

  You may have noticed that most  electric sanders are single speed, even some of the high-end expensive brands. But the Mirka DEROS random orbit sander features seven speeds fro … read more

  When working in the shop you will likely have both 5 inch and 6 inch random orbit sanders along with a stock of discs for each. But when out in the field or on a job site, it makes … read more

     Ask a finisher for a sanding disc and 99% of the time they will hand you a 5” or 6” disc. Not a surprise; 5” and 6” are standard sizes for random orbit sanders. These sizes ar … read more